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Individual Calculations July 2010 |
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| Kottahachchy, K O V Total change: -18.30 | |   |
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| Sri Lanka National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 2017 | 5.50 | 10 | -1.22 | 15 | -18.30 | |
|  Wikramanayake, T. U | | | 1815 | SRI | 0.00 | 1 | -0.76 | 15 | -11.40 | |  Thilakawardana, Supeshala | | wf | 1787 | SRI | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Senanayaka, P D | | | 1848 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Jayasundara, P K U M | | | 1943 | SRI | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Kumara, C M S Praneeth | | | 1739 | SRI | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Premachandra, G T D | | | 1907 | SRI | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Rathnasekara, Abimanyu | | | 1836 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Amarasena, Kaveesha | | | 1921 | SRI | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Jayawardena, M | | | 1945 | SRI | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Wijesuriya, G Luxman | | | 2088 | SRI | 0.50 | 1 | 0.10 | 15 | 1.50 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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